CN117303508A - Sewage single-stage film filtering pulse blocking-cleaning mechanism - Google Patents
Sewage single-stage film filtering pulse blocking-cleaning mechanism Download PDFInfo
- Publication number
- CN117303508A CN117303508A CN202311401787.8A CN202311401787A CN117303508A CN 117303508 A CN117303508 A CN 117303508A CN 202311401787 A CN202311401787 A CN 202311401787A CN 117303508 A CN117303508 A CN 117303508A
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- cabin
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- packaging
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- 238000001914 filtration Methods 0.000 title claims abstract description 69
- 239000010865 sewage Substances 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 title abstract description 6
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 238000005374 membrane filtration Methods 0.000 claims abstract description 15
- 230000008021 deposition Effects 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims description 40
- 239000012528 membrane Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000001728 nano-filtration Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 8
- 238000012216 screening Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 10
- 108010066278 cabin-4 Proteins 0.000 description 8
- 239000013049 sediment Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
Abstract
The invention discloses a sewage single-stage membrane filtration pulse blocking-cleaning mechanism, and relates to the technical field of sewage treatment screening. The device comprises a single-stage filtering film, an upstream pipeline and a downstream pipeline, wherein collecting cabins and injection cabins which are oppositely buckled are arranged on two sides of a part of the single-stage filtering film, and the collecting cabins and the injection cabins are in sliding butt joint with the single-stage filtering film; the injection cabin is communicated with a pulse fluid generating device; the collecting cabin is communicated with external deposition recovery equipment; the driving device is configured to synchronously drive the collecting cabin and the injection cabin to do pulse motion of unidirectional rotation at two sides of the single-stage filtering film; the opening and closing of the driving device and the pulse fluid generating device are controlled in a linkage way through a control circuit. The invention can improve the filtration efficiency of the membrane filtration and reduce the fluctuation of productivity.
Description
Technical Field
The invention relates to the technical field of sewage treatment screening, in particular to a filtering mechanism capable of continuously clearing blockage in the filtering process.
Background
The sewage treatment comprises two chemical modes and physical modes; the two modes together complete the sewage treatment. The chemical mode comprises two modes of microorganism and chemical agent, and the physical mode comprises filtration, adsorption, centrifugation, ion exchange, static electricity, ultrasonic wave, flocculation and other means. Among these means, filtration, particularly membrane filtration technology, has been developed as the most important element in sewage treatment. And the membrane filter can directly intercept particulate matters such as RO reverse osmosis membrane through a preset pore diameter, and can minimally intercept inorganic salt molecules.
As the membrane filtration is surface filtration, although the interception filtration is high, the sediment formed by interception gradually reduces the permeability of the membrane, so that the filtration efficiency is reduced, and the prior solution is to enlarge the membrane area; when the filtration efficiency is reduced to a certain threshold value, stopping filtration, and intensively flushing the filter membrane and then working. It follows that flushing of the membrane filter results in a periodic variation in the efficiency of the wastewater treatment. For a unit area of filter membrane, maintaining less deposition is a key to improving the filtration efficiency per unit area; for a certain area of filter membrane, stable and efficient filtering efficiency is realized, and the method has important significance for improving the macroscopic efficiency of sewage treatment, reducing productivity fluctuation, reducing cost and enhancing efficiency.
Disclosure of Invention
The invention aims to solve the technical problems and provides a sewage single-stage membrane filtration pulse blocking-cleaning mechanism aiming at the technical defects.
The technical scheme adopted by the invention is as follows: provides a sewage single-stage membrane filtration pulse blocking-cleaning mechanism, which comprises
A single-stage filtration membrane configured for filtration of wastewater with a filtration accuracy in the range of nanofiltration to microfiltration;
an upstream line configured for input of contaminated water to the water intake side of the single stage filtration membrane;
a downstream line configured to drain the filtered body of water from the water outlet side of the single stage filtration membrane;
the two sides of a single-stage filtering film part are provided with a collecting cabin and an injection cabin which are buckled relatively, and the collecting cabin and the injection cabin are arranged in sliding butt joint with the single-stage filtering film; the injection cabin is communicated with a pulse fluid generating device; the collecting cabin is communicated with external deposition recovery equipment through a pipeline; the pipeline is provided with a control valve;
the driving device is configured to synchronously drive the collecting cabin and the injection cabin to do pulse motion of unidirectional rotation at two sides of the single-stage filtering film;
a unidirectional sealing strip is arranged on the side wall deviating from the rotation direction in the side wall where the collecting cabin is in butt joint with the single-stage filtering film; the direction of the unidirectional sealing strip which is obliquely opened points to the inside of the collecting cabin;
the driving device and the pulse fluid generating device are alternately opened and closed under the control of the control circuit; the control valve is synchronously opened and closed with the pulse fluid generating device.
In some embodiments, the fluid of the pulsed fluid generation device is air.
In some embodiments, the air supply line of the injection compartment is provided with a one-way valve that is in one-way communication with the injection compartment.
In some embodiments, the upstream circuit includes a packaging upper shell; the downstream pipeline comprises a packaging lower shell; the single-stage filtering film is fixedly packaged between the packaging upper shell and the packaging lower shell.
In some embodiments, the collection compartment is linked to the injection compartment by a linkage shaft disposed at the rotation axis; the rotary shaft is provided with a packaging ring in a penetrating way; the coupling shaft penetrates through the packaging ring and is in rotary sealing fit with the packaging ring.
In some embodiments, the output conduit of the collection chamber extends from the axis of rotation through and is rotationally sealed with the packaging upper shell; the supply pipeline of the injection cabin penetrates through the packaging lower shell from the rotating shaft and is rotationally sealed with the packaging lower shell;
in some embodiments, the upper enclosure and the lower enclosure are removably and sealingly connected by a flange pair; the coupling shaft comprises a convex shaft arranged on the collecting cabin and a concave shaft arranged on the injection length; the convex shaft is in plug-in fit with the concave shaft and axially links.
In some embodiments, the drive means comprises a drive motor and a transmission system; and the output end of the transmission system is linked with an output pipeline of the collecting cabin.
In some embodiments, a turbidity sensor is disposed within the package lower case; the turbidity sensor is electrically connected with the control circuit.
According to the technical scheme adopted by the application, the driving device and the pulse fluid generating device are alternately opened and closed under the control of the control circuit, when the driving device drives the collecting cabin and the injection cabin to rotate, the pulse fluid generating device and the control valve are in a closed state, and the pressure in the collecting cabin and the pressure outside the injection cabin are conducted in a unidirectional manner through unidirectional sealing strips, so that pressure balance is realized; when the unidirectional sealing strip rotates, the unidirectional sealing strip is obliquely opened, so that the surface deposition of the single-stage filtering film can not be scraped; when the driving device drives the collecting cabin and the injection cabin to rotate and stop, the pulse fluid generating device and the control valve are in an open state, the pressure of fluid injected into the injection cabin is larger than the pressure of liquid outside the cabin, and the unidirectional sealing strip is closed under the action of pressure difference. Backwash off sediment and fluid is collected in the collection chamber and discharged under pressure through the tubing. The above-mentioned actions are circulated and stably operated at a certain frequency, so that the filtering efficiency of the whole single-stage filtering film is in a relatively stable and high-efficiency state.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view in partial cross-section of FIG. 1;
FIG. 3 is a partial schematic view of a collection chamber and an injection chamber;
fig. 4 is a schematic view of another angle of fig. 3.
In the figure, 1, a single-stage filtration membrane; 2. a water inlet side; 3. a water outlet side; 4. a collection chamber; 5. injecting into a cabin; 6. a control valve; 7. a unidirectional sealing strip; 8. a one-way valve; 9. packaging the upper shell; 10. packaging the lower shell; 11. a linkage shaft; 12. a packaging ring; 13. an output pipe; 14. a supply pipe; 15. a flange pair; 16. a protruding shaft; 17. a concave shaft; 18. a driving motor; 19. a turbidity sensor; 20. a pulsed fluid generation device; 21. a deposition recovery device; 22. a transmission system.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description. For simplicity, the term "liquid" in the technical scheme includes sewage to be treated or other liquid to be filtered; but also sewage or other liquid filtered by the single-stage filter membrane 1. The term "extravehicular" in this solution refers broadly to the external space of the collection compartment 4 and of the injection compartment 5; "in-cabin" refers broadly to the interior space of the collection cabin 4 and the injection cabin 5. In the present embodiment, the term "rotation axis" refers to an axis around which the collection chamber 4 and the injection chamber 5 are rotated by the driving device. The "package case" in the present embodiment is a generic term for the package upper case 9 and the package lower case 10.
Example 1:
as shown in figure 1, the sewage single-stage membrane filtration pulse blocking-cleaning mechanism comprises
A single-stage filtration membrane 1 configured for filtration of sewage, with a filtration precision ranging from nanofiltration to microfiltration;
an upstream line configured for the input of contaminated water to the water intake side 2 of the single stage filtration membrane 1;
a downstream line configured for draining the filtered body of water from the water outlet side 3 of the single stage filtration membrane 1;
the two sides of a part of the single-stage filtering film 1 are provided with a collecting cabin 4 and an injection cabin 5 which are buckled relatively, and the collecting cabin 4 and the injection cabin 5 are arranged in sliding butt joint with the single-stage filtering film 1; the injection cabin 5 is communicated with a pulse fluid generating device 20; the collecting cabin 4 is communicated with an external deposition recovery device 21 through a pipeline; the pipeline is provided with a control valve 6;
a driving device which is configured to synchronously drive the collecting chamber 5 and the injection chamber 6 to do pulse motions of unidirectional rotation at two sides of the single-stage filtering film 1;
a unidirectional sealing strip 7 is arranged on the side wall deviating from the rotation direction in the side wall of the collecting chamber 5 butted with the single-stage filtering film 1; the direction of the unidirectional sealing strip 7 which is obliquely opened is directed into the collecting cabin 5;
the driving device and the pulse fluid generating device 20 are alternately opened and closed under the control of the control circuit, and the control valve 6 and the pulse fluid generating device 20 are synchronously opened and closed.
In this embodiment, the single-stage filtration membrane 1 may be arranged in a rectangular, polygonal shape, preferably circular in fig. 1. Because of the circular single stage filter membrane, the effective clear area is maximized when the collection chamber 4 and the injection chamber 5 are rotated.
The filtration accuracy of the single-stage filtration membrane 1 ranges from nanofiltration to microfiltration. The filtering section can filter and deposit particles in the liquid to be filtered on the single-stage filtering film. The majority of insoluble particulate matter can be intercepted by single-stage filtration.
As shown in fig. 1, the unidirectional sealing strip 7 may be made of soft materials, such as fluororubber, silicon rubber, nitrile rubber, etc., so as to improve the contact sealing of the unidirectional sealing strip 7 with the single-stage filtering film 1 when the cabin is pressurized. The sealing in this technical scheme means that the unidirectional sealing strip 7 is in good contact with the surface of the single-stage filtering film 1, but not the filtering holes extending into the single-stage filtering film 1 are unsealed, because the surface of the single-stage filtering film 1 is a non-smooth plane, certain liquid can leak in actual pressurization, and a deposition layer formed by particles after filtration can not leak out from between the single-stage filtering film and the unidirectional sealing strip 7, so that the use requirement can be met.
The control valve 6 in the present embodiment may be an overflow valve or an electromagnetic switch valve; in the case of the relief valve, the relief pressure of the relief valve is set to be higher than the pressure of the liquid to be filtered and lower than the fluid pressure of the pulse fluid generator 20. When the pulse fluid generating device 20 is opened, the unidirectional sealing strip 7 is sealed with the single-stage filtering film 1, the pressure in the cabin opens the control valve 6, and the deposited layer and the liquid in the cabin are discharged. When the control valve 6 is a solenoid valve, the solenoid valve is opened in linkage when the pulse fluid generating device 20 is opened.
The pulse fluid generating device 20 in this embodiment may be a fluid supply device powered by a liquid pump or an air compressor. The term "pulse" as used herein refers to the pulse that is created in the injection chamber by the fluid supply being turned on and off. Fluid in this embodiment, the fluid of the pulsed fluid generating device 20 is preferably air. Because the air is used as power, the water content of sediment is not increased when the sediment is discharged, and the sediment is jacked up when the air flow passes through the single-stage filtering film 1, and the sediment is scattered through high-speed bubbles, so that the pipeline siltation and blockage caused by the formation of massive sediment can be prevented.
The deposition recovery apparatus 21 in the present embodiment may be a deposition bath, a deposition vessel, a drying dehydration vessel, or the like.
In this embodiment, the air supply line of the injection compartment 5 is preferably provided with a one-way valve 7 which is in one-way communication with the injection compartment 5. The check valve 7 prevents the water in the injection cabin 5 from flowing back into the pulse fluid generating device 20 to cause the damage of the air compressor when the switch of the pulse fluid generating device 20 is abnormal.
Embodiment two:
as a preferred version of the first embodiment, the upstream circuit comprises an encapsulating upper shell 9; the downstream piping comprises a packaging lower shell 10; the single-stage filtration membrane 1 is fixedly encapsulated between an encapsulation upper shell 9 and an encapsulation lower shell 10.
The function of the upper packaging shell 9 and the lower packaging shell 10 is that the single-stage filtering film 1 improves a firm fixing space and is also beneficial to providing stable installation stations for pipelines of the collecting cabin 5 and the injection cabin 5.
As a preferred version of this embodiment, the collection compartment 4 is linked to the injection compartment 5 by means of a linkage shaft 11 provided at the rotation axis; a packaging ring 12 is arranged at the rotary shaft in a penetrating way; the coupling shaft 11 penetrates through the packing ring 12 and is in rotary sealing engagement with the packing ring 12. In practice, the collecting cabin 4 and the injecting cabin 5 can also adopt a magnetic linkage butt joint mode, and the linkage in the technical scheme can be realized by adjusting the distance between the magnetic pieces and changing the buckling pressure between the collecting cabin 4 and the injecting cabin 5.
The output pipeline 13 of the collecting cabin 4 penetrates through the packaging upper shell 9 from the rotating shaft and is rotationally sealed with the packaging upper shell 9; the supply pipe 14 of the injection compartment 5 penetrates the packaging lower case 10 from the rotation axis and is sealed with the packaging lower case 10 in a rotation manner; the output pipeline and the supply pipeline are communicated with the outside through the packaging shell at the rotating shaft, so that on one hand, the output pipeline and the supply pipeline can be stably supported by the collecting cabin and the injection cabin, and on the other hand, the output pipeline and the supply pipeline are simple in structure, and if the output pipeline and the supply pipeline are communicated with each other through the hose, the hose can shake and wind in the packaging shell. The output pipeline and the supply pipeline are arranged outside the packaging shell, and smooth flow guide can be realized by rotating the sealing connection hose or the hard pipe.
As a preferable scheme of the embodiment, the packaging upper shell 9 and the packaging lower shell 10 are detachably and hermetically connected through a flange pair 15; the coupling shaft 11 comprises a male shaft 16 arranged on the collecting chamber and a female shaft 17 arranged on the injection length; the male shaft 16 is in plug-in fit with the female shaft 17 and axially links with the female shaft. When the device runs for a certain time, the single-stage filter membrane 1 is worn to a certain extent and needs to be replaced, and the detachable structure is convenient for later maintenance.
Preferably, the drive means comprises a drive motor 18 and a transmission 22; the output end of the transmission system 22 is linked with the output pipeline 13 of the collecting cabin 4; a turbidity sensor 19 is arranged in the package lower case 10; the turbidity sensor 19 is electrically connected to the control circuit.
When the single-stage filter film 1 is broken, the turbidity sensor 19 detects that the turbidity of the filtered liquid exceeds a threshold value, and a signal is acquired by a circuit, so that a warning is sent out, and the device is shut down.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but it is necessary to base the implementation on the basis of those skilled in the art that when the combination of technical solutions is contradictory or cannot be implemented, the combination of technical solutions should be regarded as not existing and not falling within the scope of protection claimed by the present invention.
Claims (9)
1. A sewage single-stage film filtration pulse clear stifled mechanism which characterized in that: comprising
A single-stage filtration membrane configured for filtration of wastewater with a filtration accuracy in the range of nanofiltration to microfiltration;
an upstream line configured for input of contaminated water to the water intake side of the single stage filtration membrane;
a downstream line configured to drain the filtered body of water from the water outlet side of the single stage filtration membrane;
the two sides of a single-stage filtering film part are provided with a collecting cabin and an injection cabin which are buckled relatively, and the collecting cabin and the injection cabin are arranged in sliding butt joint with the single-stage filtering film; the injection cabin is communicated with a pulse fluid generating device; the collecting cabin is communicated with external deposition recovery equipment through a pipeline; the pipeline is provided with a control valve;
the driving device is configured to synchronously drive the collecting cabin and the injection cabin to do pulse motion of unidirectional rotation at two sides of the single-stage filtering film;
a unidirectional sealing strip is arranged on the side wall deviating from the rotation direction in the side wall where the collecting cabin is in butt joint with the single-stage filtering film; the direction of the unidirectional sealing strip which is obliquely opened points to the inside of the collecting cabin;
the driving device and the pulse fluid generating device are alternately opened and closed under the control of the control circuit, and the control valve and the pulse fluid generating device are synchronously opened and closed.
2. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claim 1, wherein: the fluid of the pulse fluid generating device is air.
3. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claim 2, wherein: the air supply pipeline of the injection cabin is provided with a one-way valve which is communicated with the injection cabin in a one-way.
4. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claim 1, wherein: the upstream pipeline comprises a packaging upper shell; the downstream pipeline comprises a packaging lower shell; the single-stage filtering film is fixedly packaged between the packaging upper shell and the packaging lower shell.
5. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claim 1, wherein: the collecting cabin is linked with the injection cabin through a linkage shaft arranged at the rotating shaft; the rotary shaft is provided with a packaging ring in a penetrating way; the coupling shaft penetrates through the packaging ring and is in rotary sealing fit with the packaging ring.
6. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claims 4 and 5, wherein: the output pipeline of the collecting cabin penetrates through the packaging upper shell from the rotating shaft and is rotationally sealed with the packaging upper shell; the supply pipe of the injection cabin penetrates through the packaging lower shell from the rotating shaft and is rotationally sealed with the packaging lower shell.
7. The sewage single-stage membrane filtration pulse blocking removal mechanism according to claim 6, wherein: the packaging upper shell and the packaging lower shell are detachably and hermetically connected through a flange pair; the coupling shaft comprises a convex shaft arranged on the collecting cabin and a concave shaft arranged on the injection length; the convex shaft is in plug-in fit with the concave shaft and axially links.
8. The sewage single-stage membrane filtration pulse blocking removal mechanism of claim 7, wherein: the driving device comprises a driving motor and a transmission system; and the output end of the transmission system is linked with an output pipeline of the collecting cabin.
9. The sewage single-stage membrane filtration pulse blocking removal mechanism of claim 8, wherein: a turbidity sensor is arranged in the packaging lower shell; the turbidity sensor is electrically connected with the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311401787.8A CN117303508A (en) | 2023-10-26 | 2023-10-26 | Sewage single-stage film filtering pulse blocking-cleaning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311401787.8A CN117303508A (en) | 2023-10-26 | 2023-10-26 | Sewage single-stage film filtering pulse blocking-cleaning mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN117303508A true CN117303508A (en) | 2023-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311401787.8A Pending CN117303508A (en) | 2023-10-26 | 2023-10-26 | Sewage single-stage film filtering pulse blocking-cleaning mechanism |
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| Country | Link |
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| CN (1) | CN117303508A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070187326A1 (en) * | 2004-03-10 | 2007-08-16 | Degremont | Membrane filter cleaning method and installation for implementing same |
| CN101481174A (en) * | 2009-02-10 | 2009-07-15 | 天津市天水环保设计工程有限公司 | V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| CN206828218U (en) * | 2017-01-20 | 2018-01-02 | 孙凌君 | A kind of water process shuts down back purge system |
| CN208883636U (en) * | 2018-07-23 | 2019-05-21 | 戴鹏 | A kind of river water purifier |
-
2023
- 2023-10-26 CN CN202311401787.8A patent/CN117303508A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070187326A1 (en) * | 2004-03-10 | 2007-08-16 | Degremont | Membrane filter cleaning method and installation for implementing same |
| CN101481174A (en) * | 2009-02-10 | 2009-07-15 | 天津市天水环保设计工程有限公司 | V shaped groove type microgrid component capable of continuously on-line updating dynamic membrane and use method thereof |
| CN206828218U (en) * | 2017-01-20 | 2018-01-02 | 孙凌君 | A kind of water process shuts down back purge system |
| CN208883636U (en) * | 2018-07-23 | 2019-05-21 | 戴鹏 | A kind of river water purifier |
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